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Stewart GX 18-23 S vs Woodford GP Single Axle Box

The Stewart GX 18-23 S is rated 19,250kg heavier gross.

Last reviewed 13 September 2026

Key differences

Specifications side by side

Stewart GX 18-23 SWoodford GP Single Axle Box
Gross weight20,000kg750kg (unbraked)
Body size6,700 x 2,450 x 1,500mm-
Cubic capacity23m3 grain, 39m3 silage-
Tare weight5,900kg-
Axles125mm dia., 10-stud, 420x180mm brakes-
Tyres-500x10 6-ply
Internal width-1,455mm
Load bed length-2,100mm to 2,710mm depending on size
Floor-12mm phenolic-coated birchwood

Sources: Stewart GX 18-23 S, Woodford GP Single Axle Box. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the GX 18-23 S if...

  • you want one that is rated 19,250kg heavier gross

An 18-23 tonne tipping trailer built for grain and silage haulage, with an easy-sheet system so one person can cover a loaded trailer without climbing on top. Its monocoque steel body gives it the extra capacity over Stewart's standard flat trailers.

Listed by

Full GX 18-23 S specifications →

Buy or hire the GP Single Axle Box if...

A small, lidded box trailer bought by tradespeople and households for tools, tip runs and light loads that need weather protection. Its 750kg unbraked rating means almost any car with a towbar can pull it.

Listed by

Full GP Single Axle Box specifications →

Common questions

What is the difference between the Stewart GX 18-23 S and the Woodford GP Single Axle Box?

The Stewart GX 18-23 S is rated 19,250kg heavier gross. The Stewart GX 18-23 S is a twin-axle tipping grain and silage trailer with an easy-sheet cover system; the Woodford GP Single Axle Box is a small single axle box trailer range.

Can I tow the Stewart GX 18-23 S or the Woodford GP Single Axle Box on a car licence?

Stewart GX 18-23 S is rated over 3,500kg gross, which is beyond what a car can tow in the UK.

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